2005 HONDA S2000

Honda S2000 2005 - BUZZERS, RELAYS & TIMERS

Honda S2000 2005 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Accessory Power Socket Relay	Under left side of dash, right of steering column. See Fig. 58 .
A/C Compressor Clutch Relay	In main under-hood fuse/relay box. See Fig. 1 .
A/C Condenser Fan Relay	In main under-hood fuse/relay box. See Fig. 1 .
Air Pump Relay	Behind left side of front bumper. See Fig. 37 .
Blower Motor Relay	In main under-hood fuse/relay box. See Fig. 1 .
Headlight Relay 1	In main under-hood fuse/relay box. See Fig. 1 .
Headlight Relay 2	In main under-hood fuse/relay box. See Fig. 1 .
Horn Relay	In main under-hood fuse/relay box. See Fig. 1 .
IG2 Relay	Under left side of dash, right of steering column. See Fig. 58 .
Intermittent Wiper Relay	At left rear of engine compartment. See Fig. 23 .
PGM-FI Main Relay	Under left side of dash, right of steering column. See Fig. 58 .
Radiator Fan Relay	In main under-hood fuse/relay box. See Fig. 1 .
Rear Window Defogger Change Relay	At left side of trunk. See Fig. 86 .
Rear Window Defogger Relay	Under left side of dash, near under-dash fuse/relay box. See Fig. 50 .
Starter Cut Relay	In under-dash fuse/relay box. See Fig. 2 .
Taillight Relay	In under-dash fuse/relay box. See Fig. 2 .
Trunk Lid Opener Relay (Honda Accessory)	Under driver's seat. See Fig. 68 .
Turn Signal/Hazard Relay	In under-dash fuse/relay box. See Fig. 2 .
Unlock Relay (Honda Accessory)	Under driver's seat. See Fig. 68 .

Honda S2000 2005 - CIRCUIT PROTECTION DEVICES

Honda S2000 2005 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Auxiliary Under-Hood Fuse Box	At rear left of engine compartment. See Fig. 25 .
Main Under-Hood Fuse/Relay Box	At right rear of engine compartment. See Fig. 14 .
Under-Dash Fuse/Relay Box Connector A	Under left side of dash. See Fig. 48 .
Under-Dash Fuse/Relay Box Connector B	Under left side of dash. See Fig. 48 .

Honda S2000 2005 - CONTROL UNITS

Honda S2000 2005 CONTROL UNITS LOCATION

Component	Location
ABS Modulator/Control Unit	Below master cylinder. See Fig. 26 .
Convertible Top Control Unit	Under right side of dash. See Fig. 66 .
Cruise Control Unit	Under left side of dash. See Fig. 57 .
ECM	Behind left kick panel. See Fig. 52 .
ELD Unit	In main under-hood fuse/relay box. See Fig. 1 .
EPS Control Unit	Right of battery. See Fig. 15 .
Immobilizer Receiver Unit	Under left side of dash. See Fig. 46 .
Keyless Door Lock Control Unit	Under left side of dash. See Fig. 50 .
Security Control Unit (Honda Accessory)	Under driver's seat. See Fig. 68 .
SRS Unit	Behind center of dash, below radio. See Fig. 44 .

Honda S2000 2005 - MOTORS

Honda S2000 2005 MOTORS LOCATION

Component	Location
A/C Condenser Fan Motor Connector	At left front of engine compartment. See Fig. 21 .
Air Mix Control Motor	Under right side of dash. See Fig. 61 .
Air Pump	Behind left side of front bumper. See Fig. 38 .
Blower Motor	Under right side of dash. See Fig. 67 .
Convertible Top Motor Connector (Left & Right)	Behind left & right rear side trim. See Fig. 69 .
Cruise Control Actuator	On front left of engine compartment. See Fig. 22 .
Driver's Door Latch Connector A	At rear of driver's door. See Fig. 77 .
Driver's Door Latch Connector B	At rear of driver's door. See Fig. 77 .
EPS Motor	Below front center of engine compartment. See Fig. 17 .
Left Power Mirror Connector	In driver's door. See Fig. 75 .
Mode Control Motor	Under left side of dash. See Fig. 59 .
Passenger's Door Lock Actuator	At rear of passenger's door. See Fig. 78 .
Power Window Motor Connector (Driver's)	In driver's door. See Fig. 76 .
Power Window Motor Connector (Passenger's)	In passenger's door. See Fig. 76 .
Radiator Fan Motor Connector	At right front of engine compartment. See Fig. 19 .
Recirculation Control Motor	Under right side of dash. See Fig. 63 .
Right Power Mirror Connector	In passenger's door. See Fig. 75 .
Starter	On lower left rear of engine. See Fig. 31 .
Trunk Lid Latch Connector	At middle of trunk lid. See Fig. 81 .
Windshield Washer Motor	Behind right front wheelwell, in washer reservoir. See Fig. 41 .
Windshield Wiper Motor	On rear center of engine compartment, in air scoop. See Fig. 42 .

Honda S2000 2005 - SENDING UNITS & SENSORS

Honda S2000 2005 SENDING UNITS & SENSORS LOCATION

Component	Location
Air Pump Electrical Current Sensor	Behind left front wheelwell. See Fig. 39 .
CKP Sensor	On left front of engine. See Fig. 7 .
CMP Sensor A	At rear of engine compartment. See Fig. 8 .
CMP Sensor B	At rear of engine compartment. See Fig. 8 .
ECT Sensor	On left rear of engine, below intake. See Fig. 9 .
EPS Torque Sensor	Below front center of engine compartment. See Fig. 18 .
Evaporator Temperature Sensor	Under right side of dash, on heater case. See Fig. 65 .
FTP Sensor	On underside of vehicle, at front of fuel tank. See Fig. 35 .
IAT Sensor	On intake manifold. See Fig. 6 .
Knock Sensor	Behind starter. See Fig. 31 .
MAP Sensor	On throttle body. See Fig. 7 .
Primary HO2S Connector	At upper left side of transmission. See Fig. 34 .
Secondary HO2S Connector	At left side of transmission. See Fig. 33 .
TP Sensor	On throttle body. See Fig. 7 .
VSS	On left side of transmission. See Fig. 33 .
Wheel Speed Sensor Connector (Left Front)	At left front of engine compartment. See Fig. 21 .
Wheel Speed Sensor Connector (Left Rear)	Below left rear tray rear trim. See Fig. 72 .
Wheel Speed Sensor Connector (Right Front)	At right front of engine compartment. See Fig. 19 .
Wheel Speed Sensor Connector (Right Rear)	Below right rear tray rear trim. See Fig. 72 .

Honda S2000 2005 - SOLENOIDS & SOLENOID VALVES

Honda S2000 2005 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Connector	On lower left side of engine. See Fig. 30 .
Air Control Solenoid Valve	Near air cleaner. See Fig. 16 .
EVAP Bypass Solenoid Valve	At left rear underside of vehicle, on front of fuel tank. See Fig. 35 .
EVAP Canister Purge Valve	Below master cylinder. See Fig. 29 .
EVAP Canister Vent Shut Valve	At left rear underside of vehicle, on front of fuel tank. See Fig. 35 .
IAC Valve	On left side of engine. See Fig. 5 .
Injector No. 1	On top of engine. See Fig. 4 .
Injector No. 2	On top of engine. See Fig. 4 .
Injector No. 3	On top of engine. See Fig. 4 .
Injector No. 4	On top of engine. See Fig. 4 .
Starter Solenoid	On lower left rear of engine. See Fig. 31 .
VTEC Solenoid Valve Connector	On right front of engine. See Fig. 11 .

Honda S2000 2005 - SWITCHES

Honda S2000 2005 SWITCHES LOCATION

Component	Location
A/C Pressure Switch	On receiver drier, behind center of front bumper. See Fig. 40 .
Back-Up Light Switch	On left side of transmission. See Fig. 34 .
Brake Fluid Level Switch	On master cylinder reservoir. See Fig. 27 .
Brake Pedal Position Switch	On brake pedal support. See Fig. 47 .
Clutch Interlock Switch	On clutch pedal support. See Fig. 47 .
Clutch Pedal Position Switch	Under left side of dash. See Fig. 47 .
Convertible Top Disable Switch Connector (Removable Hardtop)	Behind rear left side trim. See Fig. 70 .
Door Switch (Driver's & Passenger's)	Behind left & right rear side trim. See Fig. 69 .
Driver's Seat Belt Switch Connector	Under driver's seat. See Fig. 68 .
Parking Brake Switch Connector	At base of parking brake lever. See Fig. 89 .
Radiator Fan Switch	On lower left side of radiator. See Fig. 20 .
Security Hood Switch	At front of engine compartment. See Fig. 36 .
VTEC Oil Pressure Switch	On right front of engine. See Fig. 11 .

Honda S2000 2005 - MISCELLANEOUS

Honda S2000 2005 MISCELLANEOUS LOCATION

Component	Location
Alternator	On left front of engine. See Fig. 28 .
Antenna Amplifier Connector	At right front of trunk. See Fig. 82 .
Blower Power Transistor	Under right side of dash. See Fig. 65 .
Cable Reel Connector A	Under left side of dash. See Fig. 45 .
Cable Reel Connector B	Below steering wheel. See Fig. 43 .
Convertible Top Emergency Connector	Taped to blower motor harness. See Fig. 67 .
DLC	Under left side of dash. See Fig. 59 .
Driver's Airbag Inflator	Below steering wheel. See Fig. 43 .
Driver's Seat Belt Tensioner	Below Left Side Roll Bar Upper Trim. See Fig. 73 .
Fuel Tank Unit	On top of fuel tank, below rear tray. See Fig. 74 .
High Horn	At right front of engine compartment. See Fig. 19 .
Ignition Coils No. 1	On top of valve cover. See Fig. 3 .
Ignition Coils No. 2	On top of valve cover. See Fig. 3 .
Ignition Coils No. 3	On top of valve cover. See Fig. 3 .
Ignition Coils No. 4	On top of valve cover. See Fig. 3 .
Junction Connector (C102)	Behind left kick panel. See Fig. 51 .
Low Horn	Behind center of front bumper. See Fig. 40 .
MES Connector	On under-dash fuse/relay box. See Fig. 48 .
Noise Condenser	At left side of trunk. See Fig. 87 .
Passenger's Airbag Inflator Connector	Under right side of dash. See Fig. 61 .
Passenger's Seat Belt Tensioner	Below Right Side Roll Bar Upper Trim. See Fig. 73 .
Rear Window Defogger Diode	At left side of trunk. See Fig. 86 .
Security In-Line Fuse 1 (Honda Accessory)	Under left side of dash. See Fig. 45 .
Security In-Line Fuse 2 (Honda Accessory)	Under left side of dash. See Fig. 45 .
Test Connector (C103)	Behind left kick panel. See Fig. 51 .
Test Tachometer Connector	At left rear of engine compartment. See Fig. 23 .
XM Receiver Connector	At left side of trunk. See Fig. 90 .

Honda S2000 2005 - CONNECTORS

Honda S2000 2005 CONNECTORS LOCATION

Component	Location
C51 (Gray, 2 Pin)	Under left side of dash. See Fig. 49 .
C101 (Light Blue, 16 Pin)	Behind left kick panel. See Fig. 56 .
C201 (Light Blue, 16 Pin)	Under right side of dash. See Fig. 64 .
C202 (Light Blue, 6 Pin)	Under right side of dash. See Fig. 64 .
C203 (Brown, 7 Pin)	Under right side of dash. See Fig. 62 .
C204 (Gray, 18 Pin)	Under right side of dash. See Fig. 64 .
C301 (Gray, 14 Pin)	Under left side of dash. See Fig. 57 .
C302 (Light Blue, 16 Pin)	Under left side of dash. See Fig. 57 .
C303 (Gray, 14 Pin)	At left side of steering column. See Fig. 53 .
C351 (Gray, 2 Pin)	At left rear of engine compartment. See Fig. 23 .
C401 (Gray, 22 Pin)	Behind left kick panel. See Fig. 56 .
C402 (Light Blue, 6 Pin)	At left side of steering column. See Fig. 54 .
C403 (Light Blue, 16 Pin)	At left side of steering column. See Fig. 53 .
C404 (Light Blue, 24 Pin)	At left side of steering column. See Fig. 53 .
C451 (Light Blue, 16 Pin)	Under right side of dash. See Fig. 64 .
C452 (Gray, 2 Pin)	Under right side of dash. See Fig. 62 .
C503 (Yellow, 3 Pin)	At left side of steering column. See Fig. 54 .
C504 (Gray, 14 Pin)	Under right side of dash. See Fig. 67 .
C505 (White, 6 Pin)	Behind left kick panel. See Fig. 56 .
C506 (Gray, 4 Pin)	At right side of steering column. See Fig. 88 .
C551 (Gray, 2 Pin)	Behind audio unit. See Fig. 44 .
C601 (Gray, 4 Pin)	Below left side of rear trim. See Fig. 70 .
C602 (Brown, 2 Pin)	At left side of trunk. See Fig. 86 .
C701 (Gray, 3 Pin)	Inside steering wheel. See Fig. 83 .
C901 (Gray, 3 Pin)	At left side of hardtop. See Fig. 71 .

Honda S2000 2005 - GROUNDS

Honda S2000 2005 GROUNDS LOCATION

Component	Location
G1	At right rear of engine compartment. See Fig. 12 .
G2	On lower left side of engine. See Fig. 32 .
G3	At left rear of engine compartment. See Fig. 26 .
G4	At lower front side of engine compartment. See Fig. 17 .
G51 (Honda Accessory)	At left rear of engine compartment. See Fig. 24 .
G101	On rear of engine. See Fig. 10 .
G201	At right front of engine compartment. See Fig. 19 .
G301	At left front side of engine compartment. See Fig. 21 .
G302	Behind left side of front bumper. See Fig. 38 .
G303	At left rear of engine compartment. See Fig. 23 .
G351	At right rear of engine compartment. See Fig. 13 .
G401	Under left side of dash. See Fig. 50 .
G402	Under right side of dash. See Fig. 62 .
G501	Behind left kick panel. See Fig. 55 .
G502	At right side of audio unit. See Fig. 60 .
G601	At left front side of trunk. See Fig. 79 .
G602	At rear of trunk, left of trunk latch. See Fig. 80 .
G801	Behind lower center of dash. See Fig. 44 .
G901	At left side of hardtop. See Fig. 84 .
G902	At right side of hardtop. See Fig. 85 .